(3√5+4√2)²= tolong bantu yunita,, yunita ga bisa

[tex] ({3 \sqrt{5} + 4 \sqrt{2} })^{2} \\ = ({3 \sqrt{5} + 4 \sqrt{2} }) \times ({3 \sqrt{5} + 4 \sqrt{2} }) \\ = 9.5 + 12 \sqrt{10} + 12 \sqrt{10} + 16.2 \\ = 45 + 24 \sqrt{10} + 32 \\ = 77 + 24 \sqrt{10} [/tex]